Genus Polyvalvaphycus
- Species total:
- 3
- Age range:
- 660 - 540 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polyvalvaphycus | Late Sinian | Early Cambrian |
|
| Polyvalvaphycus orientalis | Late Sinian | Early Cambrian |
|
| Polyvalvaphycus tubercularis | Late Sinian | Early Cambrian |
|